E+E Elektronik EE895 User Manual page 20

Miniature sensor module for co2 , temperature and barometric pressure

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3.1

Example: Reading Temperature

This example demonstrates reading the temperature (float value) from address 0x3A. A float value

consists of 4 Bytes.

Request:

Modbus

Address

Response from the E+E Modbus device:

Modbus

Function

Address

Packet Format for Write Coil Code 0x05

Request:

Modbus

Address

Response from the E+E Modbus device:

Modbus

Address

The supported addresses can be found in the datasheet and in the user manual of the specific E+E

device.

Packet Format For Write Function Code 0x06

Request:

Modbus

Address

Response from the E+E Modbus device:

Modbus

Address

Communication Address

Function

Code

Byte

Code

Count

Communication Address

Function

Code

Communication Address

Function

Code

Communication Address

Function

Code

Communication Address

Function

Code

Qunatity of Registers

2 Registers (4 Byte)

User Manual EE895 Miniature Sensor Module for CO

CRC

, T and p

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E+E Elektronik EE895 User Manual page 20

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